<template>
  <div class='icons'>
    <swiper :options="swiperOption" v-if='iconList.length>0'>
      <swiper-slide  v-for='(page,index) in pages' :key='index'>
        <div class="icon" v-for='item in page' :key='item.id'>
          <div class='icon-img'>
            <img class='icon-imgcontent' :src="item.imgUrl" alt="">
          </div> 
          <p class='icon-desc'>{{item.desc}} </p>
        </div>
      </swiper-slide>
    </swiper>
  </div>
</template>

<script>
export default {
  name: "HomeIcons",
  props: ["iconList"],
  data() {
    return {
      swiperOption: {
        loop: true,
        autoplay: false,
        delay: 1500
      }
    };
  },
  computed: {
    pages() {
      const pages = [];
      this.iconList.forEach((item, index) => {
        const page = Math.floor(index / 8);
        if (!pages[page]) {
          pages[page] = [];
        }
        pages[page].push(item);
      });
      return pages;
    }
  },
  methods: {},
  components: {}
};
</script>

<style lang='stylus' scoped>
@import '~styles/mixin.stylus'
.icons>>>.swiper-container
  height 0
  padding-bottom 50%
  overflow hidden
.icons
  margin-top 0.1rem
  .icon
    width 25%
    float left
    height 0
    padding-bottom 25%
    overflow hidden
    position relative
    .icon-img
      position absolute
      top 0
      left 0
      right 0
      bottom 0.44rem
      box-sizing border-box
      padding 0.1rem
      .icon-imgcontent
        display block
        margin 0 auto
        height 100%
    .icon-desc
      position absolute
      padding 0 0.1rem
      left 0
      right 0
      bottom 0
      height 0.44rem
      line-height 0.44rem
      color #333
      text-align center
      font-size 0.24rem
      ellipsis()
</style>
